Copper Refrigeration Water Plumbing Installations

The average particle size of the magnetic particles is about 10urn, which is surrounded by organic molecules of stable surfactants, and becomes a stable magnetic particle colloid, suspended in an oil-based or water-based liquid carrier. For example, CY31 type metal magnetic fluid is made of Fe3O4 magnetic material (mass fraction 10%-30%) with particle diameter of 5-10nm, dispersed in mineral oil carrier with surfactant oleic acid (mass fraction 40%-60%) , its saturation induction intensity 0.023T density 2g/mL dynamic viscosity 20 × 103Pa s. CNC turning and milling compound processing, because the magnetic moment of the magnetic particles is extremely large, they will not be precipitated by gravity, and their magnetization curve has no hysteresis, and the magnetization can increase with the increase of the magnetic field strength, so that the force on the workpiece and the amount of processing can be realized. control.

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